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I bought some of the resistors but i was hoping for like a fix for all since i plan on upgrading all of the lights to leds. Thats why i wasn't sure if the other part from napa would work for everything. Resistors will be a real mess if i have to do that for every bulb set and what not.

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I bought some of the resistors but i was hoping for like a fix for all since i plan on upgrading all of the lights to leds. Thats why i wasn't sure if the other part from napa would work for everything. Resistors will be a real mess if i have to do that for every bulb set and what not.

Depending on what kinda resistors you get, you may only have to put them in front, or in back, not both. I know there are some posts where people talk about which ones cover which scenarios. You may have to do some poking around to find em.

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Ok guys I have a question... I put the relay flasher in to fix my hyper flash and lost my cruise and remote start because it thinks my brakes are on.
Well I finally got my relays to do the quad brake and turn signals and sure enough my remote start now works! But my cruise still does not work. I am going to check fuses tomorrow just to make sure all is good but Is basically the only thing I can do to fix this is
A. Open up the flasher relay like said somewhere in this thread and put a 400 ohm, 1/2 watt resistor connecting 2 pins. Read post 55
OR
B. Put in load resistors which is basically pointless since I already have the flasher relay.

I only have LEDs in the back currently if that has anything to do with it.

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Ok guys I have a question... I put the relay flasher in to fix my hyper flash and lost my cruise and remote start because it thinks my brakes are on.
Well I finally got my relays to do the quad brake and turn signals and sure enough my remote start now works! But my cruise still does not work. I am going to check fuses tomorrow just to make sure all is good but Is basically the only thing I can do to fix this is A. Open up the flasher relay like said somewhere in this thread and put a resistor connecting 2 pins.
OR
B. Put in load resistors which is basically pointless since I already have the flasher relay.

I only have LEDs in the back currently if that has anything to do with it.

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Looking back at earlier posts, the OP said on 9/16 that his cruise control was also working after installing the flasher relay, but on 10/2 it stopped working. :weird: So be sure to keep an eye on its performance in about 2 weeks and see if it's still cooperating. :yes:

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I have a 08 trailblazer,L6,module looks the same except the number is different,
15231201. nice pics.I'm going to have to replace mine, having the same issues with my trailer, rt signal and brake light don't work. thanks to other post and authors{the roadie,rrbrosse and others):tiphat

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The 5vdc(lights out) and the 7vdc(lights on) on the brake circuit is not LED related feedback, it's from the monitoring circuit for the cruise disable input. The LM 487 was not designed for single brake light assemblies, but for the full size trucks, with the quad brake lights. This is probably why most of you with quad brakes have less problems with the cruise and the LM 487. I have soldered a 400 ohm, 1/2 watt (it's 1/8"W x 5/16" L) resistor on the LM 487 between the brake terminal(B) and the ground(E). This dissipates the small amount of voltage from the cruise cutout circuit, and allows the cruise control to work, for those of us who don't have quad brakes. It also still disengages the cruise control when the brakes are applied. No need for load resistors on the signal lights, and I still have full brake output, in case anyone was concerned about that.

This post should take of all the questions previous in this thread. Glad to help.:woohoo:

Has anyone else tried this? I cannot find that resistor. There is a 330 and 470 ohm both 1/2 watt here locally. Would one of those work or are they too big/small? If so, which one would work, or both? Also, how did you solder it in? Any pics? Appreciate the help.

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Has anyone else tried this? I cannot find that resistor. There is a 330 and 470 ohm both 1/2 watt here locally. Would one of those work or are they too big/small? If so, which one would work, or both? Also, how did you solder it in? Any pics? Appreciate the help.

I'm not sure what math Doorman used to come up with 400 ohms, or if it was just what he had laying around, so I can't say for sure. Try one (without soldering it in) and give it a test run to see if it does the trick.

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Awesome thread with all the info.....for the 2 or 3 of you that seem to have this down packed is it possible for you to make a list of all LEDS BULBS and RELAYs that are required to swith over all exterior stock lighting to LEDS?

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So I bought a set of led lights for the front signal and tried it on my 02 TB that I just purchased. It caused the signal to blink really fast so I put the original ones back on. I'm not 100% sure but I thought these running lights were on whenever I have the engine running. My signal still works but they're not consistently on anymore. Are they supposed to? I check the fuse box in Can anyone tell me that he's running lights are supposed to be on always?

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Has anyone had a problem with there front parking lights not coming on ????? they come on with the turn signal but do not stay on , I have noticed a blown fuse from them but when i replace it the fuse just blows again

I have been doing some research about this also and this is what I have found out. I believe you are using the wrong flasher. The LM486 should be the correct one not the 487. Big Apple how did you confirm this?

I went to 2002-2009 Chevrolet Trailblazer LED Turn Signal Flasherdiodedynamics.com and searched for bulbs by vehicle. Scroll to the bottom of the page and they list only one flasher manufactured by Novita. Going to their site and comparing the 486 with the 487.
LM486
•12 Volt applications
•LED compatible
•10 Terminals
•2 Turn / 4 Hazard + Accessories
•162 Watt max

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So I drive a 2006 LT and it has the headlights "without" the notch for the grill bar. I'm looking everywhere I can think of for some good looking updated headlights for her and unless I want to convert to the bar style grill there's no options. Anybody have a good site recommendation?

If you're anything like me you like doing things yourself; cheaply, and efficiently.
Doing vehicle mods cheaply requires knowing EXACTLY what you need and how to install it.
When it comes to replacing stock Trailvoy bulbs with LED, there is a TON of disinformation floating around the internet...

I wanted to remove my side steps and i pull pass side complete assembly and stood back and it does not look good. Has holes and does not look complete. Do i need side skirts from a lower model envoy to fill the space or what. From reading i had done i thought i could just pull it off and go...